Description: Equality theorem for equivalence relation, inference version. (Contributed by Peter Mazsa, 23-Sep-2021)
| Ref | Expression | ||
|---|---|---|---|
| Hypothesis | eqvreleqi.1 | ⊢ 𝑅 = 𝑆 | |
| Assertion | eqvreleqi | ⊢ ( EqvRel 𝑅 ↔ EqvRel 𝑆 ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqvreleqi.1 | ⊢ 𝑅 = 𝑆 | |
| 2 | eqvreleq | ⊢ ( 𝑅 = 𝑆 → ( EqvRel 𝑅 ↔ EqvRel 𝑆 ) ) | |
| 3 | 1 2 | ax-mp | ⊢ ( EqvRel 𝑅 ↔ EqvRel 𝑆 ) |